<!DOCTYPE html>
<html lang="en-US">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width">
    <title>Link buttons</title>
    <style>
    body,html {
      margin: 0;
      font-family: sans-serif;
    }

    ul {
      padding: 0;
      width: 100%;
    }

    li {
      display: inline;
    }

    a {
      outline: none;
      text-decoration: none;
      display: inline-block;
      width: 19.5%;
      margin-right: 0.625%;
      text-align: center;
      line-height: 3;
      color: black;
    }

    li:last-child a {
      margin-right: 0;
    }

    a:link, a:visited, a:focus {
      background: yellow;
    }

    a:hover {     
      background: orange;
    }

    a:active {
      background: red;
      color: white;
    }
    </style>
  </head>
  <body>
    <ul>
      <li><a href="#">Home</a></li><li><a href="#">Pizza</a></li><li><a href="#">Music</a></li><li><a href="#">Wombats</a></li><li><a href="#">Finland</a></li>
    </ul>
  </body>
</html>